A new Brazilian species of<i>Heterothrips</i>(Insecta: Thysanoptera) co-existing with ants in the flowers of<i>Peixotoa tomentosa</i>(Malpighiaceae)

Del‐Claro, Kleber; Marullo, Rita; Mound, Laurence A.

doi:10.1080/00222939700770731

Cited by 40 publications

(22 citation statements)

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“…Indeed, herbivores like thrips can completely destroy apical meristems in some plant species (e.g. Del-Claro et al 1997;Oliveira and Del-Claro 2005). We suggest that the reduced herbivory action on leaves of O. spectabilis is directly related to the lack of statistical difference observed in leaf herbivory between control and treatments.…”

Section: Discussionmentioning

confidence: 88%

Nectar- and pollen-gathering Cephalotes ants provide no protection against herbivory: a new manipulative experiment to test ant protective capabilities

Byk

Del‐Claro

2010

acta ethol

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The question if ant behaviour and biological limitations should be considered before generalisations about the ant's defensive capabilities in ant-plant relationships was explored through a new experimental manipulation. In the Brazilian tropical savanna, we tested the protective action of Cephalotes pusillus Klug on the extrafloral nectar-bearing plant Ouratea spectabilis Engl. (Ochnaceae). Three treatments were performed: control (free ant access), Cephalotes-treatment (access permitted only to C. pusillus), and ant free treatment (no ants). No difference was found in the levels of leaf herbivory among experimental stems. Visitation by different ant species to control stems translated into significantly greater fruit and seed production by this stem category than by ant-free and Cephalotes-treated stems. Thus, results showed that an investigation of system's natural history, ant's morphological traits, defensive capabilities and behaviour are needed before a protective role is inferred to each associated ant species.

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Section: Discussionmentioning

confidence: 88%

Nectar- and pollen-gathering Cephalotes ants provide no protection against herbivory: a new manipulative experiment to test ant protective capabilities

Byk

Del‐Claro

2010

acta ethol

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“…The 70 species of this family (Mound & Kibby, 1998) are mentioned by Del Claro et al (1997) as inhabitants of flowers and exclusive to the New World. In Merothripidae five individuals in only one species of the genus Merothrips Hood, 1912 were registered.…”

Section: Resultsmentioning

confidence: 99%

Species composition and structure of Thysanoptera communities in different microhabitats at the Parque Estadual de Itapuã, Viamão, RS

2006

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Although thrips are known as inhabitants of flowers, they are also abundant and diverse in other microhabitats. There is an information gap concerning them, especially related to the native fauna in southern Brazil. The structure and composition of the thysanopteran community in different microhabitats was studied at the "Parque Estadual de Itapuã" (30° 22' S 51° 02' W), RS, southern Brazil. Between June 1999 and May 2001, branches (n = 1,274), flowers (n = 774), grass tussocks (n = 596) and leaf litter (n = 603) were sampled systematically in 20 points of four trails (T1 -Pedreira beach, T2 -Araçá beach, T3 -Lagoinha, and T4 -Grota hill). We found 2,197 adult thrips determined in 73 species in 41 genera, of which 37 could be nominated. Four families are represented, Thripidae, Phlaeothripidae, Heterothripidae and Merothripidae, with the first the most abundant (N = 1,599) and with the highest species richness (S = 32). The highest thrips abundance occurred in flowers N = 1,224 and the highest number of exclusive species occurred in the leaf litter (27). Frankliniella rodeos Moulton, 1933, Frankliniella gemina Bagnall, 1919 and Smicrothrips particula Hood, 1952 comprise 49.4% of the total sampled. Regarding T2, we obtained the highest abundance (N = 935) and highest species richness (S = 43). The composition of the faunas in each kind of environment proved very particular.Keywords: thrips, Thysanoptera, communities, microhabitats. RESUMO Estrutura e composição de espécies de comunidades de Thysanoptera em diferentes micro-hábitats no Parque Estadual de Itapuã, Viamão, RSEmbora os tripes sejam conhecidos como habitantes de flores, também são abundantes e diversos em outros micro-hábitats. Há uma lacuna de informações neste sentido, especialmente sobre a fauna nativa no Sul do Brasil. Entre junho de 1999 a maio de 2001, ramos (n = 1.274), flores (n = 774), touceiras de gramíneas (n = 596) e folhedo (n = 603) foram amostrados sistematicamente em 20 pontos de quatro trilhas (T1 -Praia da Pedreira, T2 -Praia do Araçá, T3 -Lagoinha, e T4 -Morro da Grota). Resultaram 2.197 tripes adultos determinados em 73 espécies de 41 gêneros, das quais 37 puderam ser nominadas. Quatro famílias estão representadas, Thripidae, Phlaeothripidae, Heterothripidae e Merothripidae, sendo a primeira mais abundante (N = 1.599) com a maior riqueza de espécies (S = 32). A maior abundância de tripes ocorreu nas flores (N = 1.224) e o maior número de espécies exclusivas ocorreu no folhedo (27).

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“…The first two species described in this genus, A. dictyotus and A. minor, are known to infest treehopper aggregations facultatively tended by larger-bodied ants (C1.0 cm), and they have not been found in aggregations tended by small ants (Cavalleri et al, 2010;our unpublished results). Del-Claro et al (1997) suggested the existence of a relationship between ant size and the ability to find and exclude thrips on the foliage. These authors also pointed out that small-bodied ants are able to access and prey on thrips even in small hideaways.…”

Section: Discussionmentioning

confidence: 98%

Two new ectoparasitic species of Aulacothrips Hood, 1952 (Thysanoptera: Heterothripidae) associated with ant-tended treehoppers (Hemiptera)

Cavalleri

Kaminski

2014

Syst Parasitol

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Aulacothrips Hood, 1952 is a remarkable South American genus of ectoparasitic thrips which feed on gregarious ant-tended hemipterans (Hemiptera: Auchenorrhyncha). Here we describe two new species of this genus infesting membracid treehoppers in Colombia and Brazilian Amazon, and provide a key to the five Aulacothrips spp. now recognised. Aulacothrips levinotus n. sp. is unique in having pronotum with only two pairs of major setae; and Aulacothrips tenuis n. sp. has unusually long abdominal tergite IX. These findings will be helpful for understanding the species diversification in this genus, bringing a new perspective on the diversity of Aulacothrips spp. and their myrmecophilous hemipteran hosts.

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A new Brazilian species ofHeterothrips(Insecta: Thysanoptera) co-existing with ants in the flowers ofPeixotoa tomentosa(Malpighiaceae)

Cited by 40 publications

References 2 publications

Nectar- and pollen-gathering Cephalotes ants provide no protection against herbivory: a new manipulative experiment to test ant protective capabilities

Nectar- and pollen-gathering Cephalotes ants provide no protection against herbivory: a new manipulative experiment to test ant protective capabilities

Species composition and structure of Thysanoptera communities in different microhabitats at the Parque Estadual de Itapuã, Viamão, RS

Two new ectoparasitic species of Aulacothrips Hood, 1952 (Thysanoptera: Heterothripidae) associated with ant-tended treehoppers (Hemiptera)

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